PT86001A - Electrochemical removal of chromium from chlorate solutions - Google Patents

Electrochemical removal of chromium from chlorate solutions

Info

Publication number: PT86001A
Authority: PT; Portugal
Prior art keywords: chromium; electrochemical removal; chlorate solutions; chlorate; solutions
Prior art date: 1986-10-29

Application number

PT86001A

Other languages

Portuguese (pt)

Other versions

PT86001B (en

Inventor

Marek Lipsztajn

Original Assignee

Tenneco Canada Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1986-10-29

Filing date

1987-10-27

Publication date

1987-11-01

1986-10-29 Priority claimed from CA000521734A external-priority patent/CA1257223A/en

1987-10-27 Application filed by Tenneco Canada Inc filed Critical Tenneco Canada Inc

1987-11-01 Publication of PT86001A publication Critical patent/PT86001A/en

1990-11-20 Publication of PT86001B publication Critical patent/PT86001B/en

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B11/00—Oxides or oxyacids of halogens; Salts thereof
- C01B11/12—Chloric acid
- C01B11/14—Chlorates
- C01B11/145—Separation; Crystallisation; Purification, After-treatment; Stabilisation by additives
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between them
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46157—Perforated or foraminous electrodes
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
- C02F2001/46157—Perforated or foraminous electrodes
- C02F2001/46161—Porous electrodes
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/46115—Electrolytic cell with membranes or diaphragms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Life Sciences & Earth Sciences (AREA)
General Chemical & Material Sciences (AREA)
Hydrology & Water Resources (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Inorganic Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Water Treatment By Electricity Or Magnetism (AREA)

PT86001A 1986-10-29 1987-10-27 PROCESS OF CHEMICAL ELECTROCHEMICAL REMOVAL OF CHROMIUM OF CHLORIDE SOLUTIONS PT86001B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000521734A CA1257223A (en)	1988-02-01	1986-10-29	Electrochemical removal of chromium from chlorate solutions

Publications (2)

Publication Number	Publication Date
PT86001A true PT86001A (en)	1987-11-01
PT86001B PT86001B (en)	1990-11-20

Family

ID=4134243

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT86001A PT86001B (en)	1986-10-29	1987-10-27	PROCESS OF CHEMICAL ELECTROCHEMICAL REMOVAL OF CHROMIUM OF CHLORIDE SOLUTIONS

Country Status (8)

Country	Link
EP (1)	EP0267704A1 (en)
JP (1)	JPS63118085A (en)
AU (1)	AU594519B2 (en)
BR (1)	BR8705784A (en)
DD (1)	DD262679A5 (en)
FI (1)	FI874697A (en)
PT (1)	PT86001B (en)
ZA (1)	ZA877762B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1252753A (en) *	1986-10-29	1989-04-18	Sterling Canada, Inc.	Selective removal of chlorine from solutions of chlorine dioxide and chlorine
EP0474936A1 (en) *	1990-09-14	1992-03-18	The State Of Israel, Atomic Energy Commission, Nuclear Research Center Negev	Electrochemical process for purifying chromium-containing wastes
DE19519177C2 (en) *	1995-05-24	1999-05-12	Warnecke Hans Joachim Prof Dr	Waste COD reduction method and apparatus
IL128081A (en) *	1999-01-15	2003-02-12	Israel Aircraft Ind Ltd	REACTOR FOR ELECTROLYTIC REDUCTION OF Cr<+6>
US20070026205A1 (en)	2005-08-01	2007-02-01	Vapor Technologies Inc.	Article having patterned decorative coating
JP2010132970A (en) *	2008-12-04	2010-06-17	Hosoda Denki:Kk	Method and device for removing hexavalent chromium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1334794A (en) *	1961-10-12	1963-08-09	Feldmuehle Ag	Preliminary purification process of saline brines intended for the electrolysis of alkali chlorides
US4273628A (en) *	1979-05-29	1981-06-16	Diamond Shamrock Corp.	Production of chromic acid using two-compartment and three-compartment cells
US4268486A (en) *	1979-07-02	1981-05-19	Olin Corporation	Selective chromate removal from a chlorate solution
CA1252752A (en) *	1986-10-29	1989-04-18	Leszek M. Dobosz	Production of hexavalent chromium for use in chlorate cells
US4773975A (en) *	1986-10-29	1988-09-27	Tenneco Canada Inc.	Electrochemical removal of hypochlorites from chlorate cell liquors

1987
- 1987-10-15 ZA ZA877762A patent/ZA877762B/en unknown
- 1987-10-22 EP EP87309336A patent/EP0267704A1/en not_active Withdrawn
- 1987-10-26 FI FI874697A patent/FI874697A/en not_active Application Discontinuation
- 1987-10-27 DD DD87308305A patent/DD262679A5/en not_active IP Right Cessation
- 1987-10-27 PT PT86001A patent/PT86001B/en not_active IP Right Cessation
- 1987-10-28 AU AU80421/87A patent/AU594519B2/en not_active Ceased
- 1987-10-29 BR BR8705784A patent/BR8705784A/en unknown
- 1987-10-29 JP JP62271987A patent/JPS63118085A/en active Granted

Also Published As

Publication number	Publication date
BR8705784A (en)	1988-05-31
JPS63118085A (en)	1988-05-23
EP0267704A1 (en)	1988-05-18
AU594519B2 (en)	1990-03-08
FI874697A (en)	1988-04-30
JPH028031B2 (en)	1990-02-22
DD262679A5 (en)	1988-12-07
FI874697A0 (en)	1987-10-26
PT86001B (en)	1990-11-20
AU8042187A (en)	1988-05-05
ZA877762B (en)	1988-04-20

Publication	Publication Date	Title
ZA873789B (en)	1987-11-24	Removal of hydrogen sulfide
GB8703394D0 (en)	1987-03-18	Determination of basic values
GB8511384D0 (en)	1985-06-12	Removing dissolved oxygen
EP0160737A3 (en)	1987-11-11	Removal of arsenic from hydrogen fluoride
EP0248978A3 (en)	1988-03-30	Cartridge case
PT86001A (en)	1987-11-01	Electrochemical removal of chromium from chlorate solutions
PT84389A (en)	1987-03-01	Improved machine-pistol for cartridges of different types
GB8714801D0 (en)	1987-07-29	Filtration of thick gluten
GB8624130D0 (en)	1986-11-12	Manufacture of batteries
HUT43873A (en)	1987-12-28	Rendering of primary cells non-dying
NZ222177A (en)	1989-09-27	Electrochemical removal of chlorine from solutions of chlorine dioxide and chlorine
AR243609A1 (en)	1993-08-31	Electrochemical removal of hypochlorites from chlorate cell liquors
GB8501197D0 (en)	1985-02-20	Treatment of nickel-& vanadium-bearing residues
GB8615256D0 (en)	1986-07-30	Battery of alkali metal cells
GB2185821B (en)	1990-02-14	Application of tetracyano-quinodimethanes in electrochemical processes
GB8602856D0 (en)	1986-03-12	Electrochemical process
GB8414781D0 (en)	1984-07-11	Removal of materials from solutions
GB8602313D0 (en)	1986-03-05	Reduction of photo-yellowing
CS556286A2 (en)	1988-08-16	Process for the electrochemical oxidation of chrome compounds
GB8626004D0 (en)	1986-12-03	Storage of waste
PL262671A1 (en)	1988-08-18	The specific for decopperizing of electrolyte from cupper electrorefining and solutions containing cupper salts
GB8316868D0 (en)	1983-07-27	Modification of biological cells
GB8307783D0 (en)	1983-04-27	Modification of biological cells
GB8601807D0 (en)	1986-02-26	Construction of tanks
GB8521969D0 (en)	1985-10-09	Electrochemical process

Legal Events

Date	Code	Title	Description
1992-05-29	MM3A	Annulment or lapse	Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19911005

Date

Code

Title

Description

1992-05-29

MM3A

Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19911005